The bathroom (shower+toilet) and living room are located next to each other (see image bellow). One option for making an entrance to the bathroom is by putting the door on the living room’s wall (B), ...

The bathroom I'm about to tile has a complex layout, and I've never put tile on a wall before. Let me see if I can paint a verbal picture...
The room is approx. 6'("short side") by 10'("long side"). ...